Research on Construction Cost Control Technology of Construction Project Based on Big Data Analysis Theory

Table 4

Importance scale and its meaning in scale method.

Serial number	Importance scale	Implication
1	1	Ui is just as important as Uj.
2	3	Ui is slightly more important than Uj.
3	5	Ui is obviously more important than Uj.
4	7	Ui is more important than Uj.
5	9	Ui is absolutely more important than Uj.
6	2, 4, 6, 8	The median value between two adjacent judgments.
7	Count backward	If the importance value of Ui and Uj is aij, then the importance ratio of the two is 1/aij